Third-person singular simple present indicative form of tooth

(idiomatic) compensation for injury caused by a person, in the form of inflicting of an identical injury on that person.

(dentistry) One of the four (one upper and one lower on each side) rearmost molars in humans, which typically develop between ages 18-24.

(idiomatic, only in singular) A liking for foods that are sweet; a weakness for sweets. / (idiomatic, countable) Someone with a liking for sweet foods. / The edible fungus Hydnum repandum.

Very close together

a tooth which will be replaced as a child ages, as opposed to an adult permanent tooth; a milk tooth

A figure of modern myth said to give children a small amount of money (or sometimes a present) in exchange for a milk tooth when it falls out of a child's mouth.

One of the four teeth which come in a horse's mouth at the age of four years and a half, one on each side of the upper and of the lower jaw, between the middle teeth and the tushes.

Any tooth of the first set of teeth of young people (or livestock).

(idiomatic) Old; aged.